Stackable tray for containers



FIG. 1 is a top isometric view of a stackable tray for containers;

FIG. 2 is a bottom isometric view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

The dotted lines shown in the drawings illustrate portions of the stackable tray for containers that form no part of the claimed design. 

CLAIM The ornamental design for a stackable tray for containers, as shown and described. 